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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/mips/sgi-ip32/ip32-platform.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | arch/mips/sgi-ip32/ip32-platform.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/arch/mips/sgi-ip32/ip32-platform.c b/arch/mips/sgi-ip32/ip32-platform.c new file mode 100644 index 000000000..c3909bd8d --- /dev/null +++ b/arch/mips/sgi-ip32/ip32-platform.c @@ -0,0 +1,138 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) + */ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> +#include <linux/rtc/ds1685.h> + +#include <asm/ip32/mace.h> +#include <asm/ip32/ip32_ints.h> + +extern void ip32_prepare_poweroff(void); + +#define MACEISA_SERIAL1_OFFS offsetof(struct sgi_mace, isa.serial1) +#define MACEISA_SERIAL2_OFFS offsetof(struct sgi_mace, isa.serial2) + +#define MACE_PORT(offset,_irq) \ +{ \ + .mapbase = MACE_BASE + offset, \ + .irq = _irq, \ + .uartclk = 1843200, \ + .iotype = UPIO_MEM, \ + .flags = UPF_SKIP_TEST|UPF_IOREMAP, \ + .regshift = 8, \ +} + +static struct plat_serial8250_port uart8250_data[] = { + MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ), + MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ), + { }, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + return platform_device_register(&uart8250_device); +} + +device_initcall(uart8250_init); + +static __init int meth_devinit(void) +{ + struct platform_device *pd; + int ret; + + pd = platform_device_alloc("meth", -1); + if (!pd) + return -ENOMEM; + + ret = platform_device_add(pd); + if (ret) + platform_device_put(pd); + + return ret; +} + +device_initcall(meth_devinit); + +static __init int sgio2audio_devinit(void) +{ + struct platform_device *pd; + int ret; + + pd = platform_device_alloc("sgio2audio", -1); + if (!pd) + return -ENOMEM; + + ret = platform_device_add(pd); + if (ret) + platform_device_put(pd); + + return ret; +} + +device_initcall(sgio2audio_devinit); + +static __init int sgio2btns_devinit(void) +{ + return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0)); +} + +device_initcall(sgio2btns_devinit); + +#define MACE_RTC_RES_START (MACE_BASE + offsetof(struct sgi_mace, isa.rtc)) +#define MACE_RTC_RES_END (MACE_RTC_RES_START + 32767) + +static struct resource ip32_rtc_resources[] = { + { + .start = MACEISA_RTC_IRQ, + .end = MACEISA_RTC_IRQ, + .flags = IORESOURCE_IRQ + }, { + .start = MACE_RTC_RES_START, + .end = MACE_RTC_RES_END, + .flags = IORESOURCE_MEM, + } +}; + +/* RTC registers on IP32 are each padded by 256 bytes (0x100). */ +static struct ds1685_rtc_platform_data +ip32_rtc_platform_data[] = { + { + .regstep = 0x100, + .bcd_mode = true, + .no_irq = false, + .uie_unsupported = false, + .access_type = ds1685_reg_direct, + .plat_prepare_poweroff = ip32_prepare_poweroff, + }, +}; + +struct platform_device ip32_rtc_device = { + .name = "rtc-ds1685", + .id = -1, + .dev = { + .platform_data = ip32_rtc_platform_data, + }, + .num_resources = ARRAY_SIZE(ip32_rtc_resources), + .resource = ip32_rtc_resources, +}; + +static __init int sgio2_rtc_devinit(void) +{ + return platform_device_register(&ip32_rtc_device); +} + +device_initcall(sgio2_rtc_devinit); |